Shulou(Shulou.com)06/01 Report--

1. View the database

Show dbs

two。 Using the database

Use test

3. View collections in the database

Show collections

4. Add data to the collection (using the embedded method, you can embed the user address into the user's document)

Db.sites.insertOne ({

"name": "Tom Hanks"

"contact": "987654321"

"dob": "01-01-1991"

"address": [

{

"building": "22A Indiana Apt"

"pincode": 123456

"city": "Los Angeles"

"state": "California"

}

{

"building": "23A, Indiana Apt"

"pincode": 123457

"city": "Los Angelea"

"state": "Californiaf"

}

]

})

5. View the data in the collection

Db.sites.find () .pretty ()

6. Query the user's address

Db.sites.findOne ({"name": "Tom Hanks"}, {"address": 1})

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